Nonprofit · EIN 45-0452872
SCIENCE & ENVIRONMENTAL HEALTH NETWORK
Tax-exempt · JAMESTOWN, ND 58402
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $718,608 | $822,683 | -$104,075 | $557,719 | $1,015 | $556,704 |
| December 31, 2024 | 990 | $759,396 | $791,614 | -$32,218 | $662,568 | $1,789 | $660,779 |
| December 31, 2023 | 990 | $829,712 | $770,785 | $58,927 | $695,905 | $2,908 | $692,997 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $687,248
- Program service revenue
- $23,100
- Investment income
- $8,260
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $133,130
- Other salaries and wages
- $465,797
- Salaries, compensation and benefits (total)
- $711,104
- Professional fundraising fees
- $0
- Accounting fees
- $16,430
- Travel
- $860
- Depreciation
- $1,181
- Program services (functional)
- $659,503
- Management and general (functional)
- $126,968
- Fundraising (functional)
- $36,212
Balance sheet and other
- Total assets, start of year
- $662,568
- Total assets, end of year
- $557,719
- Total liabilities, end of year
- $1,015
- Net assets, end of year
- $556,704
- Land, buildings and equipment
- $2,181
- Net assets without donor restrictions
- $353,643
- Net assets with donor restrictions
- $203,061
- Gross receipts
- $718,608
- Employees
- 5
- Volunteers
- 6
- Year formed
- 1998
- State of legal domicile
- ND
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Carolyn Raffensperger | Executive Direc Officer | 32 | $133,130 | $3,994 |
| Peter Montague | Director Trustee or director | 1 | $58,385 | $0 |
| Benno Friedman | Director Trustee or director | 1 | $0 | $0 |
| Rebecca Gasior Altman | Treasurer Trustee or director, Officer | 1 | $0 | $0 |
| Charlie Cray | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Jade Woods | Director Trustee or director | 1 | $0 | $0 |
| Madeleine K Scammell | President Trustee or director, Officer | 1 | $0 | $0 |
990 for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Carolyn Raffensperger | Executive Direc Officer | 40 | $122,148 | $3,664 |
| Peter Montague | Director Trustee or director | 1 | $62,768 | $0 |
| Benno Friedman | Director Trustee or director | 1 | $0 | $0 |
| Rebecca Gasior Altman | Treasurer Trustee or director, Officer | 1 | $0 | $0 |
| Charlie Cray | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Jade Woods | Director Trustee or director | 1 | $0 | $0 |
| Madeleine K Scammell | President Trustee or director, Officer | 1 | $0 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Carolyn Raffensperger | Executive Direc Officer | 40 | $101,816 | $3,054 |
| Peter Montague | Director Trustee or director | 1 | $60,551 | $0 |
| Benno Friedman | Director Trustee or director | 1 | $0 | $0 |
| Rebecca Gasior Altman | Treasurer Trustee or director, Officer | 1 | $0 | $0 |
| Charlie Cray | Director Trustee or director | 1 | $0 | $0 |
| Bhavna Shamasunder | Secretary Trustee or director, Officer | 1 | $0 | $0 |
| Madeleine K Scammell | President Trustee or director, Officer | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 1808, JAMESTOWN, ND 58402-1808
- In care of
- % CAROLYN RAFFENSPERGER
- Principal officer (990 for 2025)
- Carolyn Raffensperger, 5313 Colorado St, Deluth, MN 55804
- Signed the 990
- Sherri Seidmon, Finance Director
- Phone
- (515) 268-0600
- Website
- www.sehn.org
- Return prepared by
- Mueller Yuva Osterman Rasmusson LLP
Mission
IN SERVICE TO COMMUNITIES, THE EARTH AND FUTURE GENERATIONS, THE SCIENCE AND ENVIRONMENTAL HEALTH NETWORK FORGES SCIENCE, ETHICS, AND LAW INTO TOOLS FOR ACTION.
Program accomplishments
- Energy Policy Program: Recognizing rapidly emerging developments in climate and energy policy, the Science and Environmental Health Network brings a deeply ethical and scientific perspective to local, state, national and international struggles over fossil fuels. We have two nationally renowned scientists on our team and they are very active in our campaign on carbon capture and storage (CCS) to evaluate and address new technologies proposed across the nation. We continue to moderate and participate in a major coalition on CCS that includes activists, scientists, lawyers and writers. This coalition is able to provide rapid-response research and analysis as well as provide experts for policy and media briefings. We continue to update and disseminate the findings of the 9th edition of the Compendium of Scientific, Medical, and Media Findings Demonstrating Risks and Harms of Fracking and Associated Gas and Oil Infrastructure, which is a renowned resource for policymakers, educators, activists, and health professionals.Expenses $408,114 · revenue $220,600
- Legal Program: The Science & Environmental Health Network provided legal and scientific expertise to grassroots campaigns working to protect water, climate and public health. We shared our 25+ year expertise in law, science and innovative policy through intensive local workshops, webinars, factsheets, workbooks, guidance and technical assistance. Consulted with regulators and members of the media about permits and monitoring regarding pipelines and other fossil fuel infrastructure around the country. Monitored changes in policy on state and national levels in order to analyze and share information on the associated risks to the community and broader public health. Incorporated the legal principles of the Commons, Free, Prior and Informed Consent, the Public Trust Doctrine, the Precautionary Principle and the Rights of Future Generations in environmental work around the country and world.Expenses $149,836 · revenue $87,500
- Ecological Medicine Program: The Science & Environmental Health Network worked extensively with community groups and non-governmental organizations in the United States, addressing many aspects of human health and the environment through an Ecological Model of Health. We provided scientific expertise to community groups and individuals who were tackling problems of pesticides, toxic chemicals in consumer products, contaminated drinking water and air, and carbon dioxide exposure. Conducted analysis, wrote white papers, and gave numerous presentations on the food-agriculture-climate connection as a strategic point for climate change mitigation and adaptation. Regularly provided content to numerous listservs of the Collaborative on Health and the Environment. Served as science advisor and speaker for the Health Care Without Harm Safer Materials and Healthy Food in Health Care workgroups.Expenses $101,553 · revenue $55,000
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 45-0452872
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1999
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C020)
- Assets (IRS master file)
- $557,719
- Income (IRS master file)
- $718,608
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $718,608 | $822,683 | $557,719 | XML |
| 990 | December 2024 | $759,396 | $791,614 | $662,568 | IRS |
| 990 | December 2023 | $829,712 | $770,785 | $695,905 | XML |
| 990 | December 2022 | $713,267 | $661,873 | $635,042 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 45-0452872).
Questions about SCIENCE & ENVIRONMENTAL HEALTH NETWORK
- What is the EIN of SCIENCE & ENVIRONMENTAL HEALTH NETWORK?
- The employer identification number (EIN) of SCIENCE & ENVIRONMENTAL HEALTH NETWORK is 45-0452872.
- Is SCIENCE & ENVIRONMENTAL HEALTH NETWORK tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
- Are donations to SCIENCE & ENVIRONMENTAL HEALTH NETWORK tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SCIENCE & ENVIRONMENTAL HEALTH NETWORK file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SCIENCE & ENVIRONMENTAL HEALTH NETWORK due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SCIENCE & ENVIRONMENTAL HEALTH NETWORK last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of SCIENCE & ENVIRONMENTAL HEALTH NETWORK?
- The 990 for the year ended December 31, 2025 names Carolyn Raffensperger.
- Who are the officers and directors of SCIENCE & ENVIRONMENTAL HEALTH NETWORK?
- The 990 for the year ended December 31, 2025 lists 7 people; 2 received compensation from the organization, the highest $133,130 (Carolyn Raffensperger, Executive Direc).
- How much revenue does SCIENCE & ENVIRONMENTAL HEALTH NETWORK have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $718,608, expenses of $822,683 and total assets of $557,719 at year end.
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